Grey, course plaster key which can be quickly plastered over.
For creating a plaster key as preparation for the application of Köster Restoration Plasters on mineral substrates (except gypsum).
A fast, coarse plaster key with polymer additives for the substrate preparation of Köster Restoration Plasters. It also has very good bonding on very moist and highly salt burdened substrates. Salt burdened substrates must be primed with Köster Polysil TG 500.
M20/220 Multicoat proprietary plaster
M20/42 Multicoat proprietary plaster
Consumption (per layer applied)
Approximate, at 20°C.
Overcoat time, approximate.
Bending tensile strength, after 28 days.
Water required for mixing.
After 28 days.